Printable replacement ball bearing cage for a swivel chair
The gas lift cylinder in my office chair fell apart (the rod protruded out of the bottom o...f the chair) because of a defective plastic piece in the thrust bearing that was supposed to allow the chair to swivel. Rather than order a whole new gas cylinder online, I simply 3D printed a stronger replacement part since all of the other components were still in good shape.
In most chairs, this bearing is under the removable, non-pressurized cover of the gas lift cylinder, making DIY repair easy and safe.
3d model print parameters
- 1 printed bearing cage (I used ABS, but any hard plastic should work as long as your printer is dialed in and you use grease that’s safe for the p...lastic)
- the 5 bearing balls from the original bearing
- the 2 washers from the original bearing
- external washer and clip from the bottom of the office chair
- lithium or silicone grease (recommended)